The Corsair VENGEANCE RGB PRO SL 16GB DDR4 RAM kit includes two 8GB modules with a total capacity of 16GB. These DIMM modules have a bus speed of PC4-25600 (DDR4-3200) and are designed for high performance in gaming and other intensive applications. The memory modules are equipped with ECC memory and are fully buffered for enhanced stability and reliability. With a form factor of DIMM and a height of 16GB (8GBx2), the Corsair VENGEANCE RGB PRO SL RAM is a top choice for gamers and power users looking to boost their system's memory capacity.